Hongwen Li

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Palo Alto, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Lens molds with protective coatings for production of contact lense...
- Patent number 6,913,715
- Issue date Jul 5, 2005
- Bausch & Lomb Incorporated
- Hongwen Li
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Lens molds with protective coatings for production of contact lense...
- Patent number 6,565,776
- Issue date May 20, 2003
- Bausch & Lomb Incorporated
- Hongwen Li
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Color-imparting contact lenses with interference coating and method...
- Patent number 6,164,777
- Issue date Dec 26, 2000
- Bausch & Lomb Incorporated
- Hongwen Li
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Lens molds with protective coatings for production of contact lense...
- Publication number 20030164562
- Publication date Sep 4, 2003
- Bausch & Lomb Incorporated
- Hongwen Li
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL